Operating System - MCQ Questions

Operating System (147 টি প্রশ্ন )

Back to Subject Page All Topics

Q1. Which of the following is a valid Windows file name?

ক) My file.txt

খ) .my_file.txt

গ) my_file.exe.

ঘ) my file name. txt

Windows file names can be up to 260 characters long and can include letters, numbers, spaces, and certain special characters. However, file names cannot start with a space, period, or underscore. They also cannot contain the following characters:

<

:
"
/
\
|
?

Q2. If you hard disk is partitioned into 3 drives, the number of recycle bin for that hard disk is

ক) 1

খ) 2

গ) 3

ঘ) 4

Q3. When you rename a file five times then the number of file in the disk is

ক) 1

খ) 2

গ) 3

ঘ) 5

Q4. In DOS, the maximum length of filename is

ক) 5

খ) 8

গ) 11

ঘ) 10

Q5. Disk label name can be up to ….characters

ক) 8

খ) 9

গ) 11

ঘ) 255

Q6. The modern keyboard typically has __________ Function keys.

ক) 10

খ) 12

গ) 14

ঘ) 16

Q7. The maximum length of any single path from the root directory?

ক) 54

খ) 63

গ) 80

ঘ) 27

Q8. How many characters can be entered in a single command line?

ক) 64

খ) 127

গ) 80

ঘ) 90

Q9. First operating system was developed in

ক) 1958

খ) 1976

গ) 1950

ঘ) 1946

Q10. When was MS Windows operating system introduced?

ক) 1975

খ) 1985

গ) 1995

ঘ) 2000

Q11. MS DOS was introduced in

ক) 1970

খ) 1981

গ) 1999

ঘ) 2000

Q12. To make the number pad act as directional arrows, you press the __________ key.

ক) num lock

খ) caps lock

গ) arrow lock

ঘ) shift

Q13. The traditional mechanical mouse uses a __________ to track the pointer position on the screen.

ক) light sensor

খ) wheel

গ) ball

ঘ) ruler

Q14. The __________ determines how long you must hold down an alphanumeric key before the keyboard will repeat the character.

ক) strike rate

খ) repeat rate

গ) default rate

ঘ) threshold rate

Q15. To move to the beginning of a line of text, press the __________ key.

ক) a

খ) pageup

গ) enter

ঘ) home

Q16. ctrl, shift and alt are called __________ keys.

ক) adjustment

খ) function

গ) modifier

ঘ) alphanumeric

Q17. 1 The wheel on a mouse can make it easier to __________.

ক) scroll through documents

খ) select objects

গ) open documents

ঘ) change volume

Q18. To access properties of an object, the mouse technique to use is __________.

ক) dragging

খ) dropping

গ) right-clicking

ঘ) shift-clicking

Q19. The __________ can be defined as an upside down mouse.

ক) trackpad

খ) trackball

গ) trackpoint

ঘ) trackwell

Q20. The __________ key will launch the Start button.

ক) esc

খ) shift

গ) Windows

ঘ) Shortcut

Q21. Which is not executable file?

ক) .com

খ) .exe

গ) .bat

ঘ) .txt

Q22. What is the extension of font file?

ক) .ttf

খ) .mdb

গ) .fft

ঘ) .txt

Q23. Which of the following is not a video file extension?

ক) .avi

খ) .wav

গ) .mpeg

ঘ) .mov

Q24. What is the extension of paint brush?

ক) .pbs

খ) .bmp

গ) .pmb

ঘ) None of the above

Q25. Which of the following is extension of notepad?

ক) .txt

খ) .bmp

গ) .ppt

ঘ) .xls

Q26. Which of the following is extension of WordPad?

ক) .ppt.

খ) .xls

গ) .rtf

ঘ) None of above

Q27. Which of the following is not the user file extension?

ক) .ppt

খ) .xls

গ) .sys

ঘ) .#do

Q28. What is the default file extension created by notepad?

ক) .doc

খ) .html

গ) .txt

ঘ) .tif

Q29. Which switch will be used in dir to see screen full contents of disk at a time?

ক) /s

খ) /w

গ) /p

ঘ) /b

Q30. The delete confirmation generated by …switch

ক) /p

খ) /b

গ) /w

ঘ) /c

সঠিক উত্তর: 0 | ভুল উত্তর: 0